This study examines the role of institutional ownership in moderating the relation between fundamental factors of a company and Corporate Social Responsibility (CSR) and Enterprise Value (firm value). The type of this research is an explanation research method. The sampling method was a proportional random sampling method of the population of banking companies of the Indonesian Stock Exchange. The method of data collection was documentation. The method of data analysis was Multiple Regression Analysis. The results of this study showed that simultaneous net profit margin and corporate social responsibility had a significant effect on the firm value. Partial test shows that net profit margin variables had an effect on the firm value and corporate social responsibility variables, which consist of economy, and had no influence on firm value. The results also indicated that institutional ownership strengthened the relation of fundamental factors and corporate social responsibility with the Enterprise Value.